bowline knot vs loop knot

bowline knot and loop knot both are nouns.

Word	Noun	Adjective	Verb	Adverb
bowline knot	Yes	No	No	No
loop knot	Yes	No	No	No

As nouns, loop knot is a hypernym of bowline knot; that is, loop knot is a word with a broader meaning than bowline knot:

bowline knot (noun)	loop knot (noun)
a loop knot that neither slips nor jams	any of various knots used to make a fixed loop in a rope